member of
- Consortium of Organizations for Strong-Motion Observation Systems (COSMOS) Member 2000 -
- Seismological Society of America (SSA) Member 1991 -
- Earthquake Engineering Research Institute (EERI) Member 1989 -
- American Concrete Institute (ACI) Member 1988 -
- Puerto Rico College of Engineers and Surveyors (CIAPR) Member 1986 -